Thai Optical Group, TOG USA, Inc, and its subsidiary are the manufacturers, distributor, and service provider of the various ... ophthalmic lenses including comprehensive type of material i.e. Lens Material, Len Design and Lens Coating, Original Design Manufacturing Edging and Glazing Service, with a customer base, including other ophthalmic lens manufacturers, wholesalers, and retailers, spread over 50 countries in every region of the world. read more